How to replace the vacuum brake booster on Chevrolet Blazer?

Apply the parking brake then take out the master cylinder from the vacuum booster while supporting the booster afterward. First unplug the check valve from the vacuum booster and then take out the left control panel cover. First remove the brake pedal pin retainer and afterward take down the stop lamp switch and Pushrod in sequence. Unbolt both the vacuum booster mounting nuts then pull out the vacuum booster assembly with its gasket. First secure the vacuum booster assembly onto its gasket then fit the vacuum booster mounting nuts and torque them to 40 nm . Place the Pushrod onto the brake pedal pin then connect all parts starting with the steering column support bracket and stop lamp switch. Lock the Pushrod retainer into position through its snap mechanism. Complete the job by putting back the cover and insulator panel on the left side along with the check valve to the vacuum booster and the master cylinder.

OEM Chevrolet Blazer Brake Booster

Brake Power Booster

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Chevrolet Blazer Brake Booster
Part Number: 15597788
$548.15 MSRP: $678.70
You Save: $130.55 (20%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster, Power Brake (Hydraulic); Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1990 Chevrolet Blazer | Custom Deluxe, Scottsdale, Silverado | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
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Chevrolet Blazer Brake Booster
Part Number: 84730945
$111.08 MSRP: $217.48
You Save: $106.40 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster Kit-Power Brake (Vacuum); Power Booster; Booster Kit, Vacuum Power Brake
- Replaces: 84486952, 23371176
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 Chevrolet Blazer | Base, L, LT, Premier, RS | 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
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Chevrolet Blazer Brake Booster
Part Number: 18060061
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18012114
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 Chevrolet Blazer | Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
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Chevrolet Blazer Brake Booster
Part Number: 18029985
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 Chevrolet Blazer | Base, Silverado, Silverado Sport | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Blazer Brake Booster
Part Number: 15607066
Product Specifications
- Other Name: Booster, Power Brake (Hydraulic); Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Chevrolet Blazer | Cheyenne, Silverado | 8 Cyl 5.7 L GAS
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Chevrolet Blazer Brake Booster
Part Number: 14019978
Product Specifications
- Other Name: Booster Assembly, Power Brake Booster (Hydraulic); Booster Assembly, Power Brake Booster (Hydraulic); Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1990 Chevrolet Blazer | Custom Deluxe, Scottsdale, Silverado | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
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Chevrolet Blazer Brake Booster
Part Number: 18060072
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18013061
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Blazer | Base, Cheyenne, Silverado, Silverado Sport | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Blazer Brake Booster
Part Number: 18029999
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1997 Chevrolet Blazer | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Brake Booster
Part Number: 15607067
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 Chevrolet Blazer | Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
View related parts
Chevrolet Blazer Brake Booster
Part Number: 15234951
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Replaces: 18029871
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2005 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS

Chevrolet Blazer Brake Booster

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Chevrolet Blazer Brake Booster Parts Questions & Experts Answers

Brake Booster
15234951
Q: How to replace the vacuum brake booster on Chevrolet Blazer?
A: Apply the parking brake then take out the master cylinder from the vacuum booster while supporting the booster afterward. First unplug the check valve from the vacuum booster and then take out the left control panel cover. First remove the brake pedal pin retainer and afterward take down the stop lamp switch and Pushrod in sequence. Unbolt both the vacuum booster mounting nuts then pull out the vacuum booster assembly with its gasket. First secure the vacuum booster assembly onto its gasket then fit the vacuum booster mounting nuts and torque them to 40 nm . Place the Pushrod onto the brake pedal pin then connect all parts starting with the steering column support bracket and stop lamp switch. Lock the Pushrod retainer into position through its snap mechanism. Complete the job by putting back the cover and insulator panel on the left side along with the check valve to the vacuum booster and the master cylinder.